Question

write the formulas for valency metal and non metals formulas
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Answer 1

Answer:

Valency and Oxidation State

The valencies of the elements belonging to the s-block and the p-block of the periodic table are generally calculated as the number of valence electron or eight minus the number of valence electrons.

Answer 2

Answer:

u r 9th class

Explanation:

and u have chemistry exam from scs school right??